Besides ChatGDP, below is more AI content writers. Make sure you run the content through Grammarly or other plagirism checker for uniqueness and no duplicate content.

https://bard.google.com/
https://chat.openai.com/auth/login
https://ask.writer.com/
https://simplified.com/ai-writer/
https://rytr.me/
https://www.copy.ai/tools
https://zyro.com/in/ai/content-generator
https://www.frase.io/tools/ai-content-generator/
https://www.semrush.com/goodcontent/ai-text-generator/
https://tools.picsart.com/text/ai-writer/article-writer/